- All sections
- G - Physics
- G02B - Optical elements, systems or apparatus
- G02B 27/04 - Viewing or reading apparatus having collapsible parts
Patent holdings for IPC class G02B 27/04
Total number of patents in this class: 52
10-year publication summary
5
|
6
|
9
|
13
|
6
|
4
|
5
|
1
|
2
|
0
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Google Inc. | 4362 |
6 |
Visionsafe Corporation | 18 |
4 |
AmTRAN Technology Co., Ltd. | 192 |
3 |
Freedom Scientific, Inc. | 230 |
3 |
LG Electronics Inc. | 69257 |
2 |
Asahi Kasei Microdevices Corporation | 461 |
2 |
Werjefelt, Bertil R. L. | 5 |
2 |
Werjefelt, Christian | 4 |
2 |
Makitso USA, LLC | 4 |
2 |
Two P SAS | 2 |
2 |
Apple Inc. | 50209 |
1 |
Canon Inc. | 36841 |
1 |
Intel Corporation | 45621 |
1 |
FUJIFILM Corporation | 27102 |
1 |
Koninklijke Philips N.V. | 22975 |
1 |
Delphi Technologies, Inc. | 487 |
1 |
Boe Technology Group Co., Ltd. | 35384 |
1 |
Snap Inc. | 4604 |
1 |
Carl Zeiss MicroImaging GmbH | 153 |
1 |
E-lead Electronic Co., Ltd. | 16 |
1 |
Other owners | 14 |